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1、Unit3Couldyoupleasecleanyourroom?,SectionAGF-4c,Couldyoupleasemakethebed?,Yes/Sure/Allright/Noproblem.,Couldyoupleasesweepthefloor?,Sorry,Ihavetodomyhomework.,阅读下列句子，观察问句的用法及回答。,Couldyou（please）+V-原形？表示委婉地提出请求,1.Couldyoupleasecleanyourroom?Yes,sure./Ofcourse./Certainly./Allright.2.Couldyoupleasedoth
2、edishes?Sorry,Icant.Ihavetodomyhomework.,CouldIgoouttonight,Mom?Yes,youcan./No,youcant.,CouldIpleaseuseyourcomputer?Sorry,Imgoingtoworkonitnow.Well,couldIwatchTV?Yes,youcan.,CouldI/youplease？表示一种有礼貌的请求或提议，其后连接原形动词，比Canyou/I？语气更委婉。类似句型有：,Wouldyoulike+sth./todosth.?MayI+dosth.?Shallwe+dosth.?Wouldyoum
3、ind+sth./doingsth.?What/Howabout+sth./doingsth.?肯定回答有Sure./Ofcourse./Certainly./OK./Great./Well./Goodidea./Iagree.等。否定回答有Sorry/No,youcant.等。,B:Yes/Sure/Allright/Noproblem,No/Sorry,Icant.Ihaveto,Pairwork,A:Couldyouplease?,chores,杂务,could,can的过去时表示能力：能够,礼貌的请求：可以吗,提出建议：可以做,推测:可能,1).IcouldrunfastwhenIwa
4、sachild.,2).Couldyouhelpme?,3).Youcouldtalktoyourteachernow.,4).Hecouldntbeattheschoolthen.,could用法,表示委婉地请求别人做某事：Couldyou(please)dosth?1).Couldyoupleasecleanyourroom?你可以打扫你的房间吗？A肯定回答：Yes,Ican.是的，我可以。Yes,sure./Yes,ofcourse./noproblemB否定回答：Sorry,Icant.Ihavetodomyhomework.对不起，我不得不做作业。,2.表示委婉地请求别人允许自己做某
5、事:CouldIdosth.?1).CouldIgotothemovies?我能去看电影吗？肯定回答：Yes,youcan./yes,please.Yes,sure.当然可以。否定回答：No,youcant./sorry,youcant/Imafraidyoucant.不，不行,3.could与can的区别could与can都是情态动词，could是can的过去式。二者都可用于表示请求，但是用法稍有不同:在表示请求帮助或请求允许的疑问句中，我们常用could代替can，以表示礼貌、委婉或不确定的语气，而can则不具有这些语气。这样用时，不能把could看作为can的过去式。A.can表示一般性
6、的请求，语气随便，常用于熟人之间或长辈对辈、上级对下级的场合；1).Canyoutellusyourstory,Tony?你能给我们讲讲你的故事吗，Tony？,2).CouldyoutellusifitsnowsinwinterinAustralia?请告诉我们，澳大利亚冬天下雪吗？Sure.当然可以。,3).Excuseme,couldyouhelpmecarrytheheavybox?_.A.Yes,IcouldB.WithpleasureC.ItdoesntmatterD.Dontmentionit,选B.Couldyou.?表示客气地征求意见或请求许可的询问方式，不能用could回答。
7、withpleasure表示同意，意为“乐意效劳；愿意帮助”。C、D是对感谢的回答，不符合语境。,B.could表示有礼貌的请求，语气委婉，常用于非熟人之间或晚辈对长辈、下级对上级的场合。,4a,WriteRforrequestsandPforpermissions.Thenmatcheachonewiththecorrectresponse.,1._CouldIhangoutwithmyfriendsafterthemovie?2._Couldyoupleasepassmethesalt?3._CouldIborrowthatbook?,a.Yes,hereyouare.b.Hmm.Howm
8、uchdoyouneed?c.Yes,sure.Noproblem.Ifinishedreadingitlastnight.,P,R,P,4._Couldyouhelpmedothedishes?5._Couldyoulendmesomemoney?,d.Yes,butdontcomebacktoolate.e.No,Icant.IcutmyfingerandImtryingnottogetitwet.,R,R,borrow和lend都可译为“借”，但用法不同。（1）borrow“借，借入；借用”，从主语的角度讲，指“借入”或“借用他人的东西供自己使用”。常用结构为：borrowsth.fro
9、msb.或borrowonessth.意为“向某人借某物”。,borrow/lend,（2）lend“借出；借给”，从主语的角度讲，表示把自己的东西“借出”给别人使用。常用结构为：lendsb.sth.或lendsth.tosb.意为“借给某人某物”。（3）borrow和lend均为非延续性动词，若表达借某物多长时间时，不能用borrow或lend,而要用keep,意为“保存；保留”。,Fillintheblanksintheconversation.,A:Ihateto_chores.B:Well,Ihatesomechorestoo，butIlikeotherchores.A:Really
10、?Great!_Iaskyouto_mewithsomechoresthen?B:Whatdoyouneedhelpwith?A:_youplease_myclothesforme?,do,Could,help,Could,fold,4b,B:Idontwanttodothat!Itsboring!A:OK.Then_you_dothedishesforme?B:Sure,noproblem.But_wegotothemoviesafterthat?A:Sure.Illfinishmyhomeworkwhileyouhelpmewiththedishes.Thenwecangotothemov
11、ies.,could,please,could,Makealistofthingsyourgroupneedstodoforacampingtrip.Thendiscusswhowilldothemandcompletethechart.,A:Couldyoupleasebringatent,LiuChang?B:Sure.Andcouldyouplease.?C:Sorry,Icant.Ihaveto.,4c,Summary,1.Makerequests.(委婉地获取许可),（1）肯定回答：Yes,sure./Ofcourse./Certainly./Allright./Noproblem.
12、,（2）否定回答：Sorry,youcant.You.,Couldyou（please）do.？,（1）肯定回答：Yes,sure./Ofcourse./Certainly./Allright.,2.Askforpermisson(表示委婉地提出请求),（2）否定回答：Sorry,Icant.Ihavetodo.,CouldIdo.？,向别人提出请求或建议的常用句型有:1.Would(Do)youmind+v.-ing+.?做你介意吗？2.Can/Could/May/I(you).?我/你可以吗？3.Will/Would/Can/Couldyouplease.？请你好吗？4.Wouldyoul
13、ike+todo+.?你愿意/想吗?5.Lets+动词原形.让我们吧。6.Whynotdosth.?为什么不做?7.Youshould+v原形.你应该做,Summary,exercises:,1.Couldyoupleasecleantheroom?_Ihavetodomyhomework.A.Yes,sure.B.Whynot?C.Sorry,youcant.D.Sorry,Icant.2.CouldIplease_?Sorry,youcant.Yourmotherhastouseit.A.dochoresB.gotothemoviesC.usethecarD.gotoschool,D,C,
14、3.Mum,CouldIgotoBeijingwithyou?Yes,_.Butyouhavetofinishyourhomeworkfirst.A.youcanB.youcouldC.youcantD.youcouldnt4.Wouldyouliketocometomybirthdayparty?Idloveto,_Imtoobusy.A.andB.ifC.soD.but,A,D,.根据句意及提示，补全所缺单词。1.DamingneverdrinksmilkandndoI.2.Ihhamburgersandice-cream,soInevereatthem.3.WImlisteningtomusic,mybrotherisplayingtheviolin.,neither,hate,While,4.Mypenisonthesofa.Pleasepittome.5.Peteralwaysbthingsfrommeandhedoesntgivethembackontime.,pass,borrows,Writealettertoyourfriendtoaskhim/hertotakecareofyourhousewhenyouareonvocation.,